Multitasking system for in-procedure loops

Details Multitasking system for in-procedure loops Multitasking system for in-procedure loops

1993-05-26

1994-02-15

Shaw, Gareth D.

Boots, shoes, and leggings

364DIG1, 364281, 3642816, 3642817, 3642818, G06F 1516, G06F 938

Patent

active

052875091

ABSTRACT:
A system for multitasking inner loops, such as DO loops, using multiprocessors, provided with a plurality of shared registers each corresponding to one of a plurality of individual processors comprising the multiprocessor system. The plurality of shared registers store start and end values of segments resulting from dividing ranges of loop variables corresponding to the inner loops. The system for multitasking inner loops comprises an executing unit for iteratively executing the processing of the inner loops until the end value is reached. The system also comprises a decision unit for deciding whether or not there remain any unprocessed loops. Finally, the system comprises a continuing unit, responsive to the decision unit for continuing processing of the unprocessed loop or loops by transferring a part of a range which the loop variables corresponding to the unprocessed loop or loops can have.

REFERENCES:
patent: 4839798 (1989-06-01), Eguchi et al.
patent: 5031089 (1991-07-01), Liu et al.
patent: 5053950 (1991-11-01), Naganuma et al.

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